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Finding the Fourth Proportional to 2,267.92, 3,398.88 and 2,210.68

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Solution

The fourth proportional to 2,267.92, 3,398.88 and 2,210.68 is: 3,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.92 : 3,398.88 = 2,210.68 : x
  2. Step 2: Convert to fraction form
    2,267.92/3,398.88 = 2,210.68/x
  3. Step 3: Cross multiply
    2,267.92x = 3,398.88 × 2,210.68
  4. Step 4: Simplify right side
    2,267.92x = 7,513,836.04
  5. Step 5: Solve for x
    x = 7,513,836.04/2,267.92
  6. Step 6: Final answer
    x = 3,313.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.